Observatory · observe first

Follow the allocation change

Matched S&P 500 members → sector → industry → sub-industry → company. Each step uses the same percentage points.

Historical time machine

Historical observation

20182026

Universe›Information Technology›Electronic Equipment & Instruments›Electronic Equipment & Instruments

1 · Sector

Weight and 12M allocation change

Consumer Discretionary11.0%+4.09 pp Energy3.5%+0.08 pp Utilities3.3%-0.16 pp Information Technology27.2%-0.18 pp Materials3.1%-0.37 pp Industrials9.8%-0.38 pp Communication Services3.1%-0.41 pp Real Estate3.1%-0.49 pp Consumer Staples7.7%-0.53 pp Health Care16.9%-0.55 pp Financials11.3%-1.10 pp

2 · Industry

Inside Information Technology

Systems Software7.98%+0.32 pp Technology Hardware, Storage & Peripherals9.34%-0.26 pp Application Software3.27%+0.20 pp IT Consulting & Other Services1.17%-0.19 pp Semiconductors3.32%-0.07 pp Electronic Equipment & Instruments0.37%-0.05 pp Communications Equipment0.89%-0.05 pp Semiconductor Materials & Equipment0.41%-0.04 pp Electronic Manufacturing Services0.13%-0.02 pp Internet Services & Infrastructure0.12%-0.01 pp Electronic Components0.13%-0.01 pp Technology Distributors0.08%-0.00 pp

3 · Sub-industry

Inside Electronic Equipment & Instruments

Electronic Equipment & Instruments0.37%-0.050 pp

Concentrated

Most of this industry's losses came from a few companies.

View all contributions →

Electronic Equipment & Instruments · weight

0.37%

Industry change · 12M

-0.05 pp

Electronic Equipment & Instruments · contribution

-0.050 pp

Company participation

25%

of industry constituents above their 6M weight average

4 · Companies driving this sub-industry

Apr 2023 · sorted by absolute contribution to 12-month change

Company	Country	Market cap	Universe weight	3M contribution	12M contribution	12M price return	Above 6M weight average
Zebra Technologies → ZBRA	United States	$14.8bn	0.050%	-0.006 pp	-0.021 pp	-22.1%	No
Roper Technologies → ROP	United States	$48.3bn	0.163%	+0.008 pp	-0.016 pp	-2.6%	Yes
Teledyne Technologies → TDY	United States	$19.5bn	0.066%	-0.002 pp	-0.008 pp	-4.0%	No
Keysight Technologies → KEYS	United States	$25.8bn	0.087%	-0.023 pp	-0.005 pp	+3.1%	No

Company contributions use weights among matched S&P 500 members and add through each level without rescaling. Companies without matched shares and prices are omitted. These observations do not establish official index weights or actual fund flows.